Yrjo Virtanen Author

Professor Sten Nilsson is leader of IIASA's Forest Resources Project. He joined IIASA in 1986 and carried out a study in the effects of air pollution on forests. He is a member of the Royal Swedish Academy of Agriculture and Forestry and the author of a number of books and publications including Mountain World in Danger, published by Earthscan in 1991.
Professor Yrjo Virtanen is head of the Energy Technology Division of the Laboratory of Electrical and Automation Engineering at the Technical Research Centre of Finland. He joined IIASA's Social and Environmental Dimensions of Technology Project in 1990, and his recent work has focused on applying environmental impact assessment methodology to material recycling problems.